3420444999 has 32 divisors (see below), whose sum is σ = 5109903360. Its totient is φ = 2022451200.

The previous prime is 3420444997. The next prime is 3420445027. The reversal of 3420444999 is 9994440243.

It is a happy number.

It is not a de Polignac number, because 3420444999 - 2¹ = 3420444997 is a prime.

It is a super-2 number, since 2×3420444999² = 23398887982368220002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420444997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175839 + ... + 194319.

It is an arithmetic number, because the mean of its divisors is an integer number (159684480).

Almost surely, 2^3420444999 is an apocalyptic number.

3420444999 is a deficient number, since it is larger than the sum of its proper divisors (1689458361).

3420444999 is a wasteful number, since it uses less digits than its factorization.

3420444999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 3420444999 is about 58484.5706062719. The cubic root of 3420444999 is about 1506.7025979555.

The spelling of 3420444999 in words is "three billion, four hundred twenty million, four hundred forty-four thousand, nine hundred ninety-nine".